(19)

(11)

EP 2 488 607 A1

(12)

(43) Date of publication: 22.08.2012 Bulletin 2012/34 (21) Application number: 10823772.8 (22) Date of filing: 23.07.2010

(51) International Patent Classification (IPC):  C10G 9/00(2006.01) B01J 10/00(2006.01) (86) International application number: PCT/US2010/043093 (87) International publication number: WO 2011/046660 (21.04.2011 Gazette 2011/16)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 14.10.2009 US 579193 (71) Applicant: Marathon Oil Canada Corporation Calgary, Alberta T2P 5E9 (CA)	(72) Inventors: DUYVESTEYN, Willem, P. C. Reno NV 89511 (US) SALAZAR, Jose, Armando Reno NV 89521 (US) ARD, Christopher, Daniel Sparks NV 89436 (US) (74) Representative: Rigler, Johann  Bergenstråhle & Lindvall AB P.O. Box 17704 SE-118 93 Stockholm SE-118 93 Stockholm (SE)